T.D. Williamson Employee Directory
Oil and GasOklahoma, United States1001-5000 Employees
T.D. Williamson has about 1.9K employees across 3 continents, most of them in North America. By country, the largest groups are United States Of America (70%), India (4%) and Belgium (4%). Program & Project Management and Engineering make up 21% of the profiles with a known department. T.D. Williamson's workforce spans 32 departments. T.D. Williamson's workforce fell 5% between July 2025 and July 2026.